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- PDB-5xv2: Crystal structure of Rib7 mutant D33A from Methanosarcina mazei -

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Basic information

Entry
Database: PDB / ID: 5xv2
TitleCrystal structure of Rib7 mutant D33A from Methanosarcina mazei
ComponentsConserved protein
KeywordsOXIDOREDUCTASE / Rib7 / riboflavin biosynthesis
Function / homology
Function and homology information


2,5-diamino-6-(ribosylamino)-4(3H)-pyrimidinone 5'-phosphate reductase / 5-amino-6-(5-phosphoribosylamino)uracil reductase activity / riboflavin biosynthetic process / NADP binding
Similarity search - Function
2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)pyrimidine 1-reductase, archaeal / Riboflavin-specific deaminase, C-terminal / : / Bacterial bifunctional deaminase-reductase, C-terminal / RibD C-terminal domain / Dihydrofolate Reductase, subunit A / Dihydrofolate Reductase, subunit A / Dihydrofolate reductase-like domain superfamily / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / 2,5-diamino-6-(ribosylamino)-4(3H)-pyrimidinone 5'-phosphate reductase
Similarity search - Component
Biological speciesMethanosarcina mazei (archaea)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsYeh, T.M. / Chen, S.C. / Chang, T.H. / Huang, M.F. / Liaw, S.H.
CitationJournal: Biochem. Biophys. Res. Commun. / Year: 2018
Title: Evolution of archaeal Rib7 and eubacterial RibG reductases in riboflavin biosynthesis: Substrate specificity and cofactor preference.
Authors: Chen, S.C. / Yen, T.M. / Chang, T.H. / Liaw, S.H.
History
DepositionJun 26, 2017Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 4, 2018Provider: repository / Type: Initial release
Revision 1.1Jan 16, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Nov 22, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / refine_hist
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _refine_hist.d_res_low

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Conserved protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)26,8052
Polymers26,0611
Non-polymers7431
Water1,17165
1
A: Conserved protein
hetero molecules

A: Conserved protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)53,6094
Polymers52,1222
Non-polymers1,4872
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation4_565-x,-y+1,z1
Buried area6110 Å2
ΔGint-28 kcal/mol
Surface area18040 Å2
MethodPISA
Unit cell
Length a, b, c (Å)70.147, 70.147, 217.458
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number181
Space group name H-MP6422

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Components

#1: Protein Conserved protein


Mass: 26061.100 Da / Num. of mol.: 1 / Mutation: D33A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) (archaea)
Strain: ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88
Gene: MM_0826 / Production host: Escherichia coli (E. coli) / References: UniProt: Q8PYN5
#2: Chemical ChemComp-NAP / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE


Mass: 743.405 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C21H28N7O17P3
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 65 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.96 Å3/Da / Density % sol: 58.49 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7
Details: 20-25 % Tacsimate (pH 7.0), 2 % PEG 3350, and 100 mM HEPES (pH 7.0)

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Data collection

DiffractionMean temperature: 110 K
Diffraction sourceSource: SYNCHROTRON / Site: NSRRC / Beamline: BL13B1 / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Aug 16, 2008
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2→20 Å / Num. obs: 22298 / % possible obs: 99.9 % / Redundancy: 20.7 % / Net I/σ(I): 65.9
Reflection shellResolution: 2→2.07 Å / Redundancy: 20 % / Rmerge(I) obs: 0.744 / Mean I/σ(I) obs: 4.9 / Num. unique obs: 43100 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.8.0158refinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5XUX

5xux


Resolution: 2→19.907 Å / Cor.coef. Fo:Fc: 0.955 / Cor.coef. Fo:Fc free: 0.946 / SU B: 5.311 / SU ML: 0.138 / Cross valid method: THROUGHOUT / ESU R: 0.172 / ESU R Free: 0.15 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.25172 1053 4.7 %RANDOM
Rwork0.23495 ---
obs0.23579 21144 99.52 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 50.384 Å2
Baniso -1Baniso -2Baniso -3
1-0.93 Å20.46 Å20 Å2
2--0.93 Å2-0 Å2
3----3 Å2
Refinement stepCycle: 1 / Resolution: 2→19.907 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1687 0 48 65 1800
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0191759
X-RAY DIFFRACTIONr_bond_other_d0.0030.021733
X-RAY DIFFRACTIONr_angle_refined_deg1.5852.0262374
X-RAY DIFFRACTIONr_angle_other_deg0.93734020
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.6795222
X-RAY DIFFRACTIONr_dihedral_angle_2_deg40.98124.68864
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.19915331
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.561511
X-RAY DIFFRACTIONr_chiral_restr0.0730.2277
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.021897
X-RAY DIFFRACTIONr_gen_planes_other0.0020.02331
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it2.8894.766891
X-RAY DIFFRACTIONr_mcbond_other2.8814.765890
X-RAY DIFFRACTIONr_mcangle_it3.9257.1351112
X-RAY DIFFRACTIONr_mcangle_other3.9257.1361113
X-RAY DIFFRACTIONr_scbond_it3.715.31868
X-RAY DIFFRACTIONr_scbond_other3.7085.311869
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other5.687.7621263
X-RAY DIFFRACTIONr_long_range_B_refined8.50393.517937
X-RAY DIFFRACTIONr_long_range_B_other8.50193.4987918
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.003→2.055 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.413 57 -
Rwork0.377 1525 -
obs--98.75 %

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